ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up for Dispatches, a newsletter that spotlights wrongdoing around the country, to receive our stories in your inbox every week. HERSHEY, Pa. — When Dayshawn Carroll graduated from the Milton Hershey School in 2011, his goal of college seemed firmly within his grasp. He had lived for six years at the nation’s wealthiest private school, his days tightly scheduled around studying, sports and chores. The school’s manicured campus, about 15 miles from the impoverished Harrisburg neighborhood where he had grown up, was a world apart — “like Hogwarts,” he said, referring to the boarding school in the Harry Potter novels.